High-Temperature Thermal Expansion of Certain Group IV and Group V Diborides

High-Temperature Thermal Expansion of Certain Group IV and Group V Diborides

The thermal expansions of TiB2, ZrB2, HfB2, NbB2, and TaB2 were measured to temperatures above 1600°C by an X‐ray method. Lattice constants were measured for each compound; each had the AlB2‐type hexagonal structure. The mean linear thermal expansion coefficients were calculated from the data and ar...

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Veröffentlicht in:J. Amer. Ceram. Soc., 50: 81-4(Feb. 21, 1967) 50: 81-4(Feb. 21, 1967), 1967-02, Vol.50 (2), p.81-84
Hauptverfasser: KEIHN, F. G., KEPLIN, E. J.
Format: Artikel
Sprache:eng
Schlagworte:
CONFIGURATION
CRYSTALS
DIFFRACTION
EXPANSION
HAFNIUM BORIDES
HIGH TEMPERATURE
LATTICES
N30230 -Metals, Ceramics, & Other Materials-Ceramics & Cermets-Properties Evaluations
NIOBIUM BORIDES
PHASE DIAGRAMS
REFRACTORIES
TANTALUM BORIDES
THERMAL ANALYSIS
TITANIUM BORIDES
X RADIATION ZIRCONIUM BORIDES
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Zusammenfassung:The thermal expansions of TiB2, ZrB2, HfB2, NbB2, and TaB2 were measured to temperatures above 1600°C by an X‐ray method. Lattice constants were measured for each compound; each had the AlB2‐type hexagonal structure. The mean linear thermal expansion coefficients were calculated from the data and are compared to the values found in the literature.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1967.tb15044.x